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|
#![feature(custom_inner_attributes)]
#![rustfmt::skip]
#![warn(clippy::debug_assert_with_mut_call)]
#![allow(clippy::redundant_closure_call, clippy::get_first)]
struct S;
impl S {
fn bool_self_ref(&self) -> bool { false }
fn bool_self_mut(&mut self) -> bool { false }
fn bool_self_ref_arg_ref(&self, _: &u32) -> bool { false }
fn bool_self_ref_arg_mut(&self, _: &mut u32) -> bool { false }
fn bool_self_mut_arg_ref(&mut self, _: &u32) -> bool { false }
fn bool_self_mut_arg_mut(&mut self, _: &mut u32) -> bool { false }
fn u32_self_ref(&self) -> u32 { 0 }
fn u32_self_mut(&mut self) -> u32 { 0 }
fn u32_self_ref_arg_ref(&self, _: &u32) -> u32 { 0 }
fn u32_self_ref_arg_mut(&self, _: &mut u32) -> u32 { 0 }
fn u32_self_mut_arg_ref(&mut self, _: &u32) -> u32 { 0 }
fn u32_self_mut_arg_mut(&mut self, _: &mut u32) -> u32 { 0 }
}
fn bool_ref(_: &u32) -> bool { false }
fn bool_mut(_: &mut u32) -> bool { false }
fn u32_ref(_: &u32) -> u32 { 0 }
fn u32_mut(_: &mut u32) -> u32 { 0 }
fn func_non_mutable() {
debug_assert!(bool_ref(&3));
debug_assert!(!bool_ref(&3));
debug_assert_eq!(0, u32_ref(&3));
debug_assert_eq!(u32_ref(&3), 0);
debug_assert_ne!(1, u32_ref(&3));
debug_assert_ne!(u32_ref(&3), 1);
}
fn func_mutable() {
debug_assert!(bool_mut(&mut 3));
debug_assert!(!bool_mut(&mut 3));
debug_assert_eq!(0, u32_mut(&mut 3));
debug_assert_eq!(u32_mut(&mut 3), 0);
debug_assert_ne!(1, u32_mut(&mut 3));
debug_assert_ne!(u32_mut(&mut 3), 1);
}
fn method_non_mutable() {
debug_assert!(S.bool_self_ref());
debug_assert!(S.bool_self_ref_arg_ref(&3));
debug_assert_eq!(S.u32_self_ref(), 0);
debug_assert_eq!(S.u32_self_ref_arg_ref(&3), 0);
debug_assert_ne!(S.u32_self_ref(), 1);
debug_assert_ne!(S.u32_self_ref_arg_ref(&3), 1);
}
fn method_mutable() {
debug_assert!(S.bool_self_mut());
debug_assert!(!S.bool_self_mut());
debug_assert!(S.bool_self_ref_arg_mut(&mut 3));
debug_assert!(S.bool_self_mut_arg_ref(&3));
debug_assert!(S.bool_self_mut_arg_mut(&mut 3));
debug_assert_eq!(S.u32_self_mut(), 0);
debug_assert_eq!(S.u32_self_mut_arg_ref(&3), 0);
debug_assert_eq!(S.u32_self_ref_arg_mut(&mut 3), 0);
debug_assert_eq!(S.u32_self_mut_arg_mut(&mut 3), 0);
debug_assert_ne!(S.u32_self_mut(), 1);
debug_assert_ne!(S.u32_self_mut_arg_ref(&3), 1);
debug_assert_ne!(S.u32_self_ref_arg_mut(&mut 3), 1);
debug_assert_ne!(S.u32_self_mut_arg_mut(&mut 3), 1);
}
fn misc() {
// with variable
let mut v: Vec<u32> = vec![1, 2, 3, 4];
debug_assert_eq!(v.get(0), Some(&1));
debug_assert_ne!(v[0], 2);
debug_assert_eq!(v.pop(), Some(1));
debug_assert_ne!(Some(3), v.pop());
let a = &mut 3;
debug_assert!(bool_mut(a));
// nested
debug_assert!(!(bool_ref(&u32_mut(&mut 3))));
// chained
debug_assert_eq!(v.pop().unwrap(), 3);
// format args
debug_assert!(bool_ref(&3), "w/o format");
debug_assert!(bool_mut(&mut 3), "w/o format");
debug_assert!(bool_ref(&3), "{} format", "w/");
debug_assert!(bool_mut(&mut 3), "{} format", "w/");
// sub block
let mut x = 42_u32;
debug_assert!({
bool_mut(&mut x);
x > 10
});
// closures
debug_assert!((|| {
let mut x = 42;
bool_mut(&mut x);
x > 10
})());
}
async fn debug_await() {
debug_assert!(async {
true
}.await);
}
fn main() {
func_non_mutable();
func_mutable();
method_non_mutable();
method_mutable();
misc();
debug_await();
}
|
